ptx(1) on Linux
The text a22b2a332139, as Debian 7 (Wheezy) shipped it.
produce a permuted index of file contents
Flags it lists
-
--auto-reference -
--break-file -
--flag-truncation -
--format -
--gap-size -
--help -
--ignore-case -
--ignore-file -
--macro-name -
--only-file -
--references -
--right-side-refs -
--sentence-regexp -
--traditional -
--version -
--width -
--word-regexp -
-A -
-F -
-G -
-M -
-O -
-R -
-S -
-T -
-W -
-b -
-f -
-g -
-i -
-o -
-r -
-w